Replace cross package panic with error return.
Replace cross package panic with error return.

kdada/helm,appscode/helm,sparkprime/helm,bradj/helm,SlickNik/helm,adamreese/helm,technosophos/deployment-manager,vaikas-google/deployment-manager,technosophos/deployment-manager,fibonacci1729/helm,kdada/helm,adamreese/helm,migmartri/helm,adamreese/deployment-manager,qwangrepos/helm,iamzhout/helm,appscode/helm,jascott1/helm,flynnduism/helm,helm/helm,technosophos/deployment-manager,SlickNik/helm,eicnix/helm,jackgr/helm,sushilkm/helm,technosophos/k8s-helm,adamreese/deployment-manager,sparkprime/helm,flynnduism/helm,michelleN/deployment-manager,technosophos/k8s-helm,technosophos/deployment-manager,technosophos/deployment-manager,qwangrepos/helm,FengyunPan/helm,jackgr/helm,helm/helm,rbwsam/helm,adamreese/deployment-manager,thomastaylor312/helm,michelleN/deployment-manager,adamreese/deployment-manager,vaikas-google/deployment-manager,iamzhout/helm,fibonacci1729/helm,yan234280533/helm,bacongobbler/helm,jackgr/helm,jackgr/helm,adamreese/deployment-manager,sparkprime/helm,michelleN/deployment-manager,rbwsam/helm,bradj/helm,sparkprime/helm,yan234280533/helm,bacongobbler/helm,eicnix/helm,sushilkm/helm,jascott1/helm,migmartri/helm,jackgr/helm,sparkprime/helm,FengyunPan/helm,michelleN/deployment-manager,thomastaylor312/helm